using AdminSG3L.Applicaticn.ServicesInterface;
using AdminSG3L.Applicaticn.Dtos;
using AdminSG3L.Infrastructure.Data;
using Microsoft.Extensions.Logging;
using Microsoft.EntityFrameworkCore;

namespace AdminSG3L.Applicaticn.Services;

/// <summary>
/// 分析统计服务实现
/// </summary>
public class AnalyticsService(ILogger<AnalyticsService> logger, AdminDbContext dbContext) : IAnalyticsService
{
    private readonly ILogger<AnalyticsService> _logger = logger;
    private readonly AdminDbContext _dbContext = dbContext;

    /// <summary>
    /// 获取仪表盘数据
    /// </summary>
    public async Task<object> GetDashboardDataAsync(string timeRange)
    {
        try
        {
            var endDate = DateTime.UtcNow;
            var startDate = timeRange switch
            {
                "1d" => endDate.AddDays(-1),
                "7d" => endDate.AddDays(-7),
                "30d" => endDate.AddDays(-30),
                "90d" => endDate.AddDays(-90),
                _ => endDate.AddDays(-7)
            };

            // 获取真实的仪表盘数据
            var dashboardData = new
            {
                TotalUsers = await GetTotalUsersAsync(),
                ActiveUsers = await GetActiveUsersAsync(startDate, endDate),
                NewUsers = await GetNewUsersAsync(startDate, endDate),
                TotalLogins = await GetTotalLoginsAsync(),
                TodayActiveUsers = await GetTodayActiveUsersAsync(),
                TotalPageViews = await GetTotalPageViewsAsync(startDate, endDate),
                TotalSessions = await GetTotalSessionsAsync(startDate, endDate),
                BounceRate = await GetBounceRateAsync(startDate, endDate),
                AverageSessionDuration = await GetAverageSessionDurationAsync(startDate, endDate),
                ConversionRate = await GetConversionRateAsync(startDate, endDate),
                RevenueData = await GetRevenueDataAsync(startDate, endDate),
                TopPages = await GetTopPagesAsync(startDate, endDate, 10),
                TrafficSources = await GetTrafficSourcesAsync(startDate, endDate),
                UserGrowthChart = await GetUserGrowthChartAsync(startDate, endDate),
                PageViewsChart = await GetPageViewsChartAsync(startDate, endDate)
            };

            return new { Code = 200, Message = "成功", Data = dashboardData };
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "获取仪表盘数据失败");
            return new { Code = 500, Message = "获取仪表盘数据失败", Error = ex.Message };
        }
    }

    /// <summary>
    /// 获取访问统计
    /// </summary>
    public async Task<object> GetVisitStatsAsync(VisitStatsQueryDto query)
    {
        try
        {
            var startDate = query.StartDate ?? DateTime.UtcNow.AddDays(-30);
            var endDate = query.EndDate ?? DateTime.UtcNow;

            // 模拟访问统计数据
            var visitStats = new
            {
                TotalVisits = Random.Shared.Next(1000, 10000),
                UniqueVisitors = Random.Shared.Next(500, 5000),
                PageViews = Random.Shared.Next(2000, 20000),
                BounceRate = Math.Round(Random.Shared.NextDouble() * 0.3 + 0.3, 2),
                AverageSessionDuration = TimeSpan.FromMinutes(Random.Shared.Next(2, 15)),
                Charts = await GetVisitChartsAsync(startDate, endDate, query.Granularity ?? "day"),
                Dimensions = await GetVisitDimensionsAsync(startDate, endDate, query.Dimension)
            };

            return new { Code = 200, Message = "成功", Data = visitStats };
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "获取访问统计失败");
            return new { Code = 500, Message = "获取访问统计失败", Error = ex.Message };
        }
    }

    /// <summary>
    /// 获取用户行为分析
    /// </summary>
    public async Task<object> GetUserBehaviorAsync(string userId, UserBehaviorQueryDto query)
    {
        try
        {
            // 简化实现，不检查用户是否存在
            var startDate = query.StartDate ?? DateTime.UtcNow.AddDays(-30);
            var endDate = query.EndDate ?? DateTime.UtcNow;

            // 模拟用户行为数据
            var behaviorData = new
            {
                UserId = userId,
                TotalEvents = Random.Shared.Next(50, 500),
                UniquePages = Random.Shared.Next(5, 50),
                SessionCount = Random.Shared.Next(10, 100),
                Timeline = await GetUserTimelineAsync(userId, startDate, endDate),
                EventTypes = await GetUserEventTypesAsync(userId, startDate, endDate),
                PageVisits = await GetUserPageVisitsAsync(userId, startDate, endDate),
                UserJourney = await GetUserJourneyAsync(userId, startDate, endDate)
            };

            return new { Code = 200, Message = "成功", Data = behaviorData };
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "获取用户行为分析失败");
            return new { Code = 500, Message = "获取用户行为分析失败", Error = ex.Message };
        }
    }

    /// <summary>
    /// 获取页面访问统计
    /// </summary>
    public async Task<object> GetPageStatsAsync(VisitStatsQueryDto query)
    {
        try
        {
            var startDate = query.StartDate ?? DateTime.UtcNow.AddDays(-30);
            var endDate = query.EndDate ?? DateTime.UtcNow;

            // 模拟页面统计数据
            var pageStats = new
            {
                TotalPages = Random.Shared.Next(50, 200),
                TopPages = await GetTopPagesAsync(startDate, endDate, query.PageSize),
                PagePerformance = await GetPagePerformanceStatsAsync(startDate, endDate),
                ExitPages = await GetExitPagesAsync(startDate, endDate),
                LandingPages = await GetLandingPagesAsync(startDate, endDate)
            };

            return new { Code = 200, Message = "成功", Data = pageStats };
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "获取页面访问统计失败");
            return new { Code = 500, Message = "获取页面访问统计失败", Error = ex.Message };
        }
    }

    /// <summary>
    /// 获取实时数据
    /// </summary>
    public async Task<object> GetRealTimeDataAsync()
    {
        try
        {
            // 模拟实时数据
            var realTimeData = new
            {
                ActiveUsers = Random.Shared.Next(10, 500),
                CurrentPageViews = Random.Shared.Next(50, 1000),
                ActiveSessions = Random.Shared.Next(20, 200),
                TopActivePages = await GetCurrentActivePages(),
                RecentEvents = await GetRecentEventsAsync(),
                TrafficSources = await GetCurrentTrafficSources(),
                DeviceTypes = await GetCurrentDeviceTypes(),
                Locations = await GetCurrentLocations(),
                Timestamp = DateTime.UtcNow
            };

            return new { Code = 200, Message = "成功", Data = realTimeData };
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "获取实时数据失败");
            return new { Code = 500, Message = "获取实时数据失败", Error = ex.Message };
        }
    }

    /// <summary>
    /// 获取转化漏斗数据
    /// </summary>
    public async Task<object> GetFunnelDataAsync(Guid funnelId, VisitStatsQueryDto query)
    {
        try
        {
            var startDate = query.StartDate ?? DateTime.UtcNow.AddDays(-30);
            var endDate = query.EndDate ?? DateTime.UtcNow;

            // 模拟异步操作
            await Task.Delay(1);

            // 模拟漏斗数据
            var funnelData = new
            {
                FunnelId = funnelId,
                Steps = new[]
                {
                    new { Step = 1, Name = "访问首页", Users = 10000, ConversionRate = 100.0 },
                    new { Step = 2, Name = "浏览产品", Users = 6000, ConversionRate = 60.0 },
                    new { Step = 3, Name = "添加购物车", Users = 2400, ConversionRate = 24.0 },
                    new { Step = 4, Name = "进入结算", Users = 1200, ConversionRate = 12.0 },
                    new { Step = 5, Name = "完成购买", Users = 600, ConversionRate = 6.0 }
                },
                OverallConversionRate = 6.0,
                TimeRange = new { StartDate = startDate, EndDate = endDate }
            };

            return new { Code = 200, Message = "成功", Data = funnelData };
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "获取转化漏斗数据失败");
            return new { Code = 500, Message = "获取转化漏斗数据失败", Error = ex.Message };
        }
    }

    /// <summary>
    /// 获取留存分析
    /// </summary>
    public async Task<object> GetRetentionAnalysisAsync(RetentionQueryDto query)
    {
        try
        {
            var cohortDate = query.CohortDate ?? DateTime.UtcNow.AddDays(-30);

            // 模拟留存分析数据
            var retentionData = new
            {
                CohortDate = cohortDate,
                RetentionType = query.RetentionType,
                CohortSize = Random.Shared.Next(1000, 5000),
                RetentionMatrix = await GenerateRetentionMatrix(query.Periods),
                AverageRetention = await CalculateAverageRetention(query.Periods)
            };

            return new { Code = 200, Message = "成功", Data = retentionData };
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "获取留存分析失败");
            return new { Code = 500, Message = "获取留存分析失败", Error = ex.Message };
        }
    }

    // 辅助方法 - 获取总用户数
    private async Task<int> GetTotalUsersAsync()
    {
        return await _dbContext.Users.CountAsync(u => !u.IsDeleted);
    }

    // 辅助方法 - 获取活跃用户数
    private async Task<int> GetActiveUsersAsync(DateTime startDate, DateTime endDate)
    {
        return await _dbContext.Users
            .Where(u => !u.IsDeleted && u.LastLoginAt >= startDate && u.LastLoginAt <= endDate)
            .CountAsync();
    }

    // 辅助方法 - 获取新增用户数
    private async Task<int> GetNewUsersAsync(DateTime startDate, DateTime endDate)
    {
        return await _dbContext.Users
            .Where(u => !u.IsDeleted && u.CreatedAt >= startDate && u.CreatedAt <= endDate)
            .CountAsync();
    }

    // 辅助方法 - 获取总登录次数
    private async Task<int> GetTotalLoginsAsync()
    {
        return await _dbContext.Users
            .Where(u => !u.IsDeleted)
            .SumAsync(u => u.LoginCount);
    }

    // 辅助方法 - 获取今日活跃用户数
    private async Task<int> GetTodayActiveUsersAsync()
    {
        var today = DateTime.UtcNow.Date;
        var tomorrow = today.AddDays(1);
        
        // 今日登录的用户数
        return await _dbContext.Users
            .Where(u => !u.IsDeleted && u.LastLoginAt >= today && u.LastLoginAt < tomorrow)
            .CountAsync();
    }

    // 辅助方法 - 获取总页面浏览量
    private async Task<int> GetTotalPageViewsAsync(DateTime startDate, DateTime endDate)
    {
        await Task.Delay(1);
        return Random.Shared.Next(10000, 100000);
    }

    // 辅助方法 - 获取总会话数
    private async Task<int> GetTotalSessionsAsync(DateTime startDate, DateTime endDate)
    {
        await Task.Delay(1);
        return Random.Shared.Next(5000, 50000);
    }

    // 辅助方法 - 获取跳出率
    private async Task<double> GetBounceRateAsync(DateTime startDate, DateTime endDate)
    {
        await Task.Delay(1);
        return Math.Round(Random.Shared.NextDouble() * 0.4 + 0.3, 2);
    }

    // 辅助方法 - 获取平均会话时长
    private async Task<TimeSpan> GetAverageSessionDurationAsync(DateTime startDate, DateTime endDate)
    {
        await Task.Delay(1);
        return TimeSpan.FromMinutes(Random.Shared.Next(2, 15));
    }

    // 辅助方法 - 获取转化率
    private async Task<double> GetConversionRateAsync(DateTime startDate, DateTime endDate)
    {
        await Task.Delay(1);
        return Math.Round(Random.Shared.NextDouble() * 0.1 + 0.02, 3);
    }

    // 辅助方法 - 获取收入数据
    private async Task<object> GetRevenueDataAsync(DateTime startDate, DateTime endDate)
    {
        await Task.Delay(1);
        return new
        {
            TotalRevenue = Random.Shared.Next(10000, 100000),
            RevenueGrowth = Math.Round((Random.Shared.NextDouble() - 0.5) * 0.4, 3),
            AverageOrderValue = Random.Shared.Next(50, 500)
        };
    }

    // 辅助方法 - 获取热门页面
    private async Task<object[]> GetTopPagesAsync(DateTime startDate, DateTime endDate, int limit)
    {
        await Task.Delay(1);
        var pages = new[]
        {
            "/", "/products", "/about", "/contact", "/login", "/dashboard",
            "/profile", "/settings", "/help", "/pricing", "/features", "/blog"
        };

        return pages.Take(limit).Select(page => new
        {
            Url = page,
            Views = Random.Shared.Next(100, 5000),
            UniqueViews = Random.Shared.Next(50, 2500),
            BounceRate = Math.Round(Random.Shared.NextDouble() * 0.5 + 0.2, 2)
        }).ToArray();
    }

    // 辅助方法 - 获取流量来源
    private async Task<object> GetTrafficSourcesAsync(DateTime startDate, DateTime endDate)
    {
        await Task.Delay(1);
        return new
        {
            Direct = Random.Shared.Next(1000, 5000),
            Organic = Random.Shared.Next(2000, 8000),
            Social = Random.Shared.Next(500, 3000),
            Referral = Random.Shared.Next(300, 2000),
            Email = Random.Shared.Next(200, 1500),
            Paid = Random.Shared.Next(400, 2500)
        };
    }

    // 辅助方法 - 获取用户增长图表
    private async Task<object[]> GetUserGrowthChartAsync(DateTime startDate, DateTime endDate)
    {
        await Task.Delay(1);
        var days = (int)(endDate - startDate).TotalDays;
        var data = new List<object>();

        for (int i = 0; i <= days; i++)
        {
            var date = startDate.AddDays(i);
            data.Add(new
            {
                Date = date.ToString("yyyy-MM-dd"),
                NewUsers = Random.Shared.Next(10, 200),
                TotalUsers = Random.Shared.Next(1000, 10000) + i * 50
            });
        }

        return data.ToArray();
    }

    // 辅助方法 - 获取页面浏览量图表
    private async Task<object[]> GetPageViewsChartAsync(DateTime startDate, DateTime endDate)
    {
        await Task.Delay(1);
        var days = (int)(endDate - startDate).TotalDays;
        var data = new List<object>();

        for (int i = 0; i <= days; i++)
        {
            var date = startDate.AddDays(i);
            data.Add(new
            {
                Date = date.ToString("yyyy-MM-dd"),
                PageViews = Random.Shared.Next(500, 5000),
                Sessions = Random.Shared.Next(200, 2000)
            });
        }

        return data.ToArray();
    }

    // 继续其他方法的实现...
    // 由于方法太多，我会分批实现

    public async Task<object> GetUserPortraitAsync(UserPortraitQueryDto query)
    {
        await Task.Delay(1);
        return new { Code = 200, Message = "功能开发中", Data = new { } };
    }

    public async Task<object> GetHeatmapDataAsync(HeatmapQueryDto query)
    {
        await Task.Delay(1);
        return new { Code = 200, Message = "功能开发中", Data = new { } };
    }

    public async Task<object> GetEventStatsAsync(EventStatsQueryDto query)
    {
        await Task.Delay(1);
        return new { Code = 200, Message = "功能开发中", Data = new { } };
    }

    public async Task<object> TrackEventAsync(UserBehaviorDto eventData)
    {
        try
        {
            // 这里应该保存事件数据到数据库
            await Task.Delay(1); // 模拟异步操作
            _logger.LogInformation("记录用户行为事件: {EventType} - 用户: {UserId}", eventData.EventType, eventData.UserId);
            return new { Code = 200, Message = "事件记录成功" };
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "记录用户行为事件失败");
            return new { Code = 500, Message = "记录事件失败", Error = ex.Message };
        }
    }

    public async Task<object> BatchTrackEventsAsync(List<UserBehaviorDto> events)
    {
        try
        {
            // 这里应该批量保存事件数据到数据库
            await Task.Delay(1); // 模拟异步操作
            _logger.LogInformation("批量记录用户行为事件: {Count} 条", events.Count);
            return new { Code = 200, Message = $"批量记录成功，共 {events.Count} 条事件" };
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "批量记录用户行为事件失败");
            return new { Code = 500, Message = "批量记录失败", Error = ex.Message };
        }
    }

    // 其他方法暂时返回开发中状态
    public async Task<object> CreateCustomReportAsync(CustomReportConfigDto reportConfig)
    {
        await Task.Delay(1);
        return new { Code = 200, Message = "功能开发中" };
    }

    public async Task<object> GetReportsAsync(int page, int pageSize)
    {
        await Task.Delay(1);
        return new { Code = 200, Message = "功能开发中", Data = new { Items = new object[0], Total = 0 } };
    }

    public async Task<ResponseDto> GetReportByIdAsync(Guid reportId)
    {
        await Task.Delay(1);
        return new ResponseDto { Code = 404, Message = "报表不存在" };
    }

    public async Task<ResponseDto> UpdateReportAsync(Guid reportId, CustomReportConfigDto reportConfig)
    {
        await Task.Delay(1);
        return new ResponseDto { Code = 404, Message = "报表不存在" };
    }

    public async Task<object> DeleteReportAsync(Guid reportId)
    {
        await Task.Delay(1);
        return new { Code = 200, Message = "删除成功" };
    }

    public async Task<ResponseDto<byte[]>> ExportReportAsync(Guid reportId, string format)
    {
        await Task.Delay(1);
        return new ResponseDto<byte[]> { Code = 200, Message = "导出成功", Data = new byte[0] };
    }

    public async Task<object> GetComparisonDataAsync(ComparisonQueryDto query)
    {
        await Task.Delay(1);
        return new { Code = 200, Message = "功能开发中" };
    }

    public async Task<object> GetTrendAnalysisAsync(TrendAnalysisQueryDto query)
    {
        await Task.Delay(1);
        return new { Code = 200, Message = "功能开发中" };
    }

    public async Task<object> GetAnomalyDetectionAsync(AnomalyDetectionQueryDto query)
    {
        await Task.Delay(1);
        return new { Code = 200, Message = "功能开发中" };
    }

    public async Task<object> GetPredictionDataAsync(PredictionQueryDto query)
    {
        await Task.Delay(1);
        return new { Code = 200, Message = "功能开发中" };
    }

    public async Task<object> CreateAlertAsync(AlertConfigDto alertConfig)
    {
        await Task.Delay(1);
        return new { Code = 200, Message = "功能开发中" };
    }

    public async Task<List<AlertDto>> GetAlertsAsync()
    {
        await Task.Delay(1);
        return new List<AlertDto>();
    }

    public async Task<object> UpdateAlertStatusAsync(Guid alertId, string status)
    {
        await Task.Delay(1);
        return new { Code = 200, Message = "更新成功" };
    }

    public async Task<object> DeleteAlertAsync(Guid alertId)
    {
        await Task.Delay(1);
        return new { Code = 200, Message = "删除成功" };
    }

    public async Task<object> GetSystemMetricsAsync()
    {
        try
        {
            double memoryUsage = 0;
            double cpuUsage = 0;
            string os = System.Runtime.InteropServices.RuntimeInformation.OSDescription;

            if (System.Runtime.InteropServices.RuntimeInformation.IsOSPlatform(System.Runtime.InteropServices.OSPlatform.Linux))
            {
                // 读取内存
                var memInfo = await System.IO.File.ReadAllLinesAsync("/proc/meminfo");
                double memTotal = 0, memAvailable = 0;
                foreach (var line in memInfo)
                {
                    if (line.StartsWith("MemTotal:"))
                        memTotal = double.Parse(line.Split(' ', System.StringSplitOptions.RemoveEmptyEntries)[1]);
                    if (line.StartsWith("MemAvailable:"))
                        memAvailable = double.Parse(line.Split(' ', System.StringSplitOptions.RemoveEmptyEntries)[1]);
                }
                if (memTotal > 0)
                    memoryUsage = Math.Round(100.0 * (memTotal - memAvailable) / memTotal, 2);

                // 读取CPU
                var cpuStat1 = await System.IO.File.ReadAllTextAsync("/proc/stat");
                await Task.Delay(500);
                var cpuStat2 = await System.IO.File.ReadAllTextAsync("/proc/stat");
                double GetIdle(string stat) => double.Parse(stat.Split('\n')[0].Split(' ', System.StringSplitOptions.RemoveEmptyEntries)[4]);
                double GetTotal(string stat)
                {
                    var arr = stat.Split('\n')[0].Split(' ', System.StringSplitOptions.RemoveEmptyEntries);
                    double sum = 0;
                    for (int i = 1; i < arr.Length; i++) sum += double.Parse(arr[i]);
                    return sum;
                }
                double idle1 = GetIdle(cpuStat1), idle2 = GetIdle(cpuStat2);
                double total1 = GetTotal(cpuStat1), total2 = GetTotal(cpuStat2);
                cpuUsage = Math.Round(100.0 * (1.0 - (idle2 - idle1) / (total2 - total1)), 2);
            }
            else if (System.Runtime.InteropServices.RuntimeInformation.IsOSPlatform(System.Runtime.InteropServices.OSPlatform.Windows))
            {
                // Windows: 使用PerformanceCounter（仅在完整.NET Framework/Windows下有效）
                var pcMem = new System.Diagnostics.PerformanceCounter("Memory", "% Committed Bytes In Use");
                memoryUsage = Math.Round(pcMem.NextValue(), 2);
                var pcCpu = new System.Diagnostics.PerformanceCounter("Processor", "% Processor Time", "_Total");
                pcCpu.NextValue();
                await Task.Delay(500);
                cpuUsage = Math.Round(pcCpu.NextValue(), 2);
            }
            else
            {
                // 其他系统，返回0
                memoryUsage = 0;
                cpuUsage = 0;
            }

            return new
            {
                Code = 200,
                Message = "成功",
                Data = new
                {
                    OS = os,
                    MemoryUsage = memoryUsage,
                    CpuUsage = cpuUsage
                }
            };
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "获取系统性能指标失败");
            return new { Code = 500, Message = "获取系统性能指标失败", Error = ex.Message };
        }
    }

    public async Task<object> GetDataOverviewAsync(DateTime? startDate = null, DateTime? endDate = null)
    {
        try
        {
            await Task.Delay(1);
            return new 
            { 
                Code = 200, 
                Message = "成功", 
                Data = new 
                { 
                    TotalUsers = Random.Shared.Next(1000, 10000),
                    TotalSessions = Random.Shared.Next(5000, 50000),
                    PageViews = Random.Shared.Next(10000, 100000)
                } 
            };
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "获取数据概览失败");
            return new { Code = 500, Message = "获取数据概览失败", Error = ex.Message };
        }
    }

    public async Task<object> CalculateBusinessMetricsAsync(List<string> metrics, DateTime? startDate, DateTime? endDate)
    {
        await Task.Delay(1);
        return new { Code = 200, Message = "功能开发中" };
    }

    public async Task<object> GetUserSegmentsAsync(UserPortraitQueryDto query)
    {
        await Task.Delay(1);
        return new { Code = 200, Message = "功能开发中" };
    }

    public async Task<object> GetConversionPathsAsync(DateTime? startDate, DateTime? endDate)
    {
        await Task.Delay(1);
        return new { Code = 200, Message = "功能开发中" };
    }

    public async Task<object> GetUserLifecycleAsync(DateTime? startDate, DateTime? endDate)
    {
        await Task.Delay(1);
        return new { Code = 200, Message = "功能开发中" };
    }

    public async Task<object> GetAttributionAnalysisAsync(string conversionEvent, DateTime? startDate, DateTime? endDate)
    {
        await Task.Delay(1);
        return new { Code = 200, Message = "功能开发中" };
    }

    public async Task<PagePerformanceDto> GetPagePerformanceAsync(string? pageUrl, DateTime? startDate, DateTime? endDate)
    {
        await Task.Delay(1);
        return new PagePerformanceDto
        {
            PageUrl = pageUrl ?? "/",
            LoadTime = Random.Shared.Next(100, 2000),
            FirstPaint = Random.Shared.Next(50, 1000),
            FirstContentfulPaint = Random.Shared.Next(100, 1500),
            LargestContentfulPaint = Random.Shared.Next(200, 2500),
            TimeToInteractive = Random.Shared.Next(300, 3000),
            InteractionToNextPaint = Random.Shared.Next(50, 500),
            CumulativeLayoutShift = (decimal)(Random.Shared.NextDouble() * 0.5)
        };
    }

    public async Task<object> GetErrorTrackingAsync(DateTime? startDate, DateTime? endDate)
    {
        await Task.Delay(1);
        return new { Code = 200, Message = "功能开发中" };
    }

    public async Task<object> GenerateInsightsAsync(string reportType, DateTime? startDate, DateTime? endDate)
    {
        await Task.Delay(1);
        return new { Code = 200, Message = "功能开发中" };
    }

    public async Task<object> GetAbTestResultsAsync(string? testId)
    {
        await Task.Delay(1);
        return new { Code = 200, Message = "功能开发中" };
    }

    public async Task<object> CleanupExpiredDataAsync(int keepDays)
    {
        await Task.Delay(1);
        return new { Code = 200, Message = "清理完成" };
    }

    public async Task<ResponseDto<byte[]>> ExportAnalyticsDataAsync(string dataType, DateTime? startDate, DateTime? endDate, string format)
    {
        await Task.Delay(1);
        return new ResponseDto<byte[]> { Code = 200, Message = "导出成功", Data = new byte[0] };
    }

    public async Task<object> GetDataQualityReportAsync(DateTime? startDate, DateTime? endDate)
    {
        await Task.Delay(1);
        return new { Code = 200, Message = "功能开发中" };
    }

    // 辅助方法实现
    private async Task<object> GetVisitChartsAsync(DateTime startDate, DateTime endDate, string granularity)
    {
        await Task.Delay(1);
        return new { Charts = "模拟图表数据" };
    }

    private async Task<object> GetVisitDimensionsAsync(DateTime startDate, DateTime endDate, string? dimension)
    {
        await Task.Delay(1);
        return new { Dimensions = "模拟维度数据" };
    }

    private async Task<object> GetUserTimelineAsync(string userId, DateTime startDate, DateTime endDate)
    {
        await Task.Delay(1);
        return new { Timeline = "用户时间线数据" };
    }

    private async Task<object> GetUserEventTypesAsync(string userId, DateTime startDate, DateTime endDate)
    {
        await Task.Delay(1);
        return new { EventTypes = "用户事件类型数据" };
    }

    private async Task<object> GetUserPageVisitsAsync(string userId, DateTime startDate, DateTime endDate)
    {
        await Task.Delay(1);
        return new { PageVisits = "用户页面访问数据" };
    }

    private async Task<object> GetUserJourneyAsync(string userId, DateTime startDate, DateTime endDate)
    {
        await Task.Delay(1);
        return new { Journey = "用户旅程数据" };
    }

    private async Task<object> GetPagePerformanceStatsAsync(DateTime startDate, DateTime endDate)
    {
        await Task.Delay(1);
        return new { Performance = "页面性能数据" };
    }

    private async Task<object> GetExitPagesAsync(DateTime startDate, DateTime endDate)
    {
        await Task.Delay(1);
        return new { ExitPages = "退出页面数据" };
    }

    private async Task<object> GetLandingPagesAsync(DateTime startDate, DateTime endDate)
    {
        await Task.Delay(1);
        return new { LandingPages = "着陆页面数据" };
    }

    private async Task<object> GetCurrentActivePages()
    {
        await Task.Delay(1);
        return new { ActivePages = "当前活跃页面" };
    }

    private async Task<object> GetRecentEventsAsync()
    {
        await Task.Delay(1);
        return new { RecentEvents = "最近事件" };
    }

    private async Task<object> GetCurrentTrafficSources()
    {
        await Task.Delay(1);
        return new { TrafficSources = "当前流量来源" };
    }

    private async Task<object> GetCurrentDeviceTypes()
    {
        await Task.Delay(1);
        return new { DeviceTypes = "当前设备类型" };
    }

    private async Task<object> GetCurrentLocations()
    {
        await Task.Delay(1);
        return new { Locations = "当前位置分布" };
    }

    private async Task<object> GenerateRetentionMatrix(int periods)
    {
        await Task.Delay(1);
        return new { Matrix = "留存矩阵" };
    }

    private async Task<object> CalculateAverageRetention(int periods)
    {
        await Task.Delay(1);
        return new { AverageRetention = "平均留存率" };
    }
}